Choose the right driver:
Right-click the "Unknown Device" or "Bluetooth Peripheral Device." Go to > Details . Select Hardware Ids from the dropdown. Choose the right driver: Right-click the "Unknown Device"
A safe generic driver for many CSR-based dongles on Windows 7 is available from: Choose the right driver: Right-click the "Unknown Device"
Unlike Windows 10 or 11, Windows 7 does not have a robust library of "generic" Bluetooth drivers. If you plug in a device and see a "Peripheral Device Driver Not Found" error, you must manually install the manufacturer's package. Step 1: Identify the Hardware Manufacturer Choose the right driver: Right-click the "Unknown Device"